Takirere taki pereti rua 6A

Takirere taki pereti rua 6A

Ngā mahi matua: api594, astm, a890, 6a, 4a, 5a, super, duplex, kowiri tira, maitai, takirua, pereti, takirere, wafer,

WHĀRANGI HUA:

Rahi: NPS 1/2 ki NPS48 (DN15-DN1200)

Awhe Pēhanga: Akomanga 800, Akomanga 150 ki te Akomanga 2500)

NGĀ RAUEMI:

Maka (6A, A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2) Monel, Inconel, Hastelloy

I hanga (A105, A182 F304, F304L, F316, F316L, F51, F53, A350 LF2, LF3, LF5,)

PAEREWA

Ngā Āhuatanga Hoahoa:

1. Kore Pupuri, Pupuri rānei

2. Hiri whakarewa, hiri rapa rānei.

3. He poto te roa o te hanganga.

4. He iti te rahinga, he māmā te taumaha.

5. Hongere kore ārai, ātete wai iti.

6. He tairongo te mahi, he pai te mahi hiri.

7. He hanganga māmā me te kiato, he āhua ataahua.

8. He roa te ora e whakamahia ana, ā, he tino pono.

Ko te takirere taki pereti rua ASTM A995 6A he takirere i hangaia ki te rauemi ASTM A995 6A.

I puta mai te maitai kore waikura ASTM A995 6A tino takirua i roto i te ahua o te maitai whakarewa i waenganui o te tekau tau atu i 1980. Ko te whāinga whanaketanga he whakaoti rapanga i ngā rauemi pāpāho pakari (kei roto ko te chloride, CO2, H2S, me ētahi atu) e whakamahia ana i roto i ngā mara hinu me te hau o raro moana, kaua ki te ātete ki te waikura ā-rohe me te ātete ki te waikura ōrite. Kāore i te rawaka te maitai kore waikura takirua Zeron25 (25Cr-6Ni-2Mo). Kua whakamahia te maitai ASTM A995 6A i roto i ngā mara maha, ko te nuinga mō tōna kaha teitei me te ātete ki te waikura ā-rohe me te waikura ahotea o te chloride. He nui ake te hauota kei roto i te maitai, ā, he pānga tēnei ki te whakau i te austenite. Ahakoa he nui te ihirangi o ngā huānga chromium me te molybdenum, nā te pānga o te hauota, ina teitei ake te pāmahana i te 1050 ℃, kei te tata tonu te nui o te ferrite ki te 50%.

Nā te pai o ōna āhuatanga miihini me te ātete ki te waikura, kua whānuitia te whakamahinga o te kowiri tira takirua i roto i te hangarau me te hanga kaipuke i tai, pērā i te hau o te mara hinu i tai, ngā pūnaha wai, ngā papu wai hohonu, ngā papa keri i tai, ngā taputapu keri i raro i te moana, ngā kaipuke pakanga me ngā kaipuke motuhake. Ahakoa he nui te ātete ki te waikura o te rauemi kowiri tira takirua ASTM A995 6A, he rauemi koretake tonu, ka taea anake te whakaroa i te tere o te waikura moroiti, ā, kāore e taea te whakaoti i te kino i puta mai i te waikura moroiti mai i te pūtake.

Ka whakatuwheratia, ka kati rānei te wāhanga whakatuwhera me te kati o te takirere taki pereti-rua e te rere o te reo me te kaha hei ārai i te rere whakamuri o te takirere kei kiia he takirere taki. Ko ngā takirere taki he takirere aunoa, e whakamahia ana i runga i ngā paipa he rere kotahi te ara o ngā pāpāho, e tuku ana i ngā pāpāho anake kia rere i te taha kotahi hei ārai i ngā aituā.

Ko ngā wāhanga whakatuwhera/kati takirere taki pere rua a Newsway Valve ASTM A995 6A ka whakatuwheratia, ka kati rānei mā te rere me te kaha o te reo hei ārai i te rere whakamuri o te reo. Ko ngā takirere taki pere rua kei roto i te kāwai o ngā takirere aunoa, e whakamahia ana mō ngā paipa he rere kotahi te ara o ngā pāpāho, ā, ka tukuna noa ngā pāpāho kia rere i te taha kotahi hei ārai i ngā aituā. E rua ngā haurua porowhita o te pereti pūrerehua takirere taki, ā, ka whakamahia te puna hei akiaki i te tautuhi anō. Ko te mata hiri ka taea te whakamahi hei rauemi ātete-mau o te mata o te tinana, hei arai rapa rānei. He whānui te whakamahinga me te hiri pono.

Mena kei te hiahia koe i ētahi atu kōrero mō ngā takirere, whakapā atu ki te tari hokohoko o NSW (Newsway Valve).

Ngā Rauemi o ngā Hua a te Kaihanga Takirere Newsway

TeKaihanga Takirere Hainamai iHaina, ka taea te tuku i tōna tinana takirere me te rauemi whakapaipai i roto iI hangaiamomo me teTe Makamomo. I te taha oKowiri tiramemaitai warorauemi, mātou hokihanga takirerei roto i ngā rauemi motuhake pēnei i te titanium, ngā koranu nikara, HASTELLOY®*, INCOLOY®, MONEL®, Alloy 20, super-duplex, ngā koranu ātete waikura me ngā rauemi kounga urea.

Ngā Rauemi Takirere e Wātea ana